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SubjectRe: [PATCH v4 1/3] dt-bindings: input: add GPIO controllable vibrator
On Sat, Apr 20, 2019 at 7:24 AM Luca Weiss <luca@z3ntu.xyz> wrote:
>
> Provide a simple driver for GPIO controllable vibrators.
> It will be used by the Fairphone 2.
>
> Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
> ---
> Changes from v3:
> - Convert .txt based doc to the new yaml based format
>
> .../bindings/input/gpio-vibrator.yaml | 39 +++++++++++++++++++
> 1 file changed, 39 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/input/gpio-vibrator.yaml
>
> diff --git a/Documentation/devicetree/bindings/input/gpio-vibrator.yaml b/Documentation/devicetree/bindings/input/gpio-vibrator.yaml
> new file mode 100644
> index 000000000000..bca1b6ea07a4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/gpio-vibrator.yaml
> @@ -0,0 +1,39 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/bindings/input/gpio-vibrator.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: GPIO vibrator
> +
> +maintainers:
> + - Luca Weiss <luca@z3ntu.xyz>
> +
> +description: |+
> + Registers a GPIO device as vibrator, where the on/off capability is controlled by a GPIO.
> +
> +properties:
> + compatible:

> + items:
> + - const: gpio-vibrator

These 2 lines can be simplified to just 'const: gpio-vibrator'.

> +
> + enable-gpios:
> + maxItems: 1
> +
> + vcc-supply:
> + $ref: /schemas/types.yaml#/definitions/phandle

This isn't necessary as we can do this for every occurrence of
'*-supply'. I'll add that to the core schema.

With those 2 changes:

Reviewed-by: Rob Herring <robh@kernel.org>

> + description: Regulator that provides power
> +
> +required:
> + - compatible
> + - enable-gpios
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> +
> + vibrator {
> + compatible = "gpio-vibrator";
> + enable-gpios = <&msmgpio 86 GPIO_ACTIVE_HIGH>;
> + vcc-supply = <&pm8941_l18>;
> + };
> --
> 2.21.0
>

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